DateDiff

The DateDiff function calculates the time difference between two dates.

Syntax

DateDiff(unit, start, end)

The function has the following arguments:

unit

Required

The unit to measure the difference.

Can be one of “year”, "quarter", “month”, “week”, “day”, “hour”, “minute”, “second”, “millisecond”.

start

Required

The starting date

Note that the value must be a date. If the column is not in the appropriate format, use the Date function on the argument.

end

Required

The ending date

Note that the value must be a date. If the column is not in the appropriate format, use the Date function on the argument.

Sigma rounds the result to the nearest integer. If the ending date precedes the starting date, the output is a negative integer.

Examples

DateDiff(“day”, [Invoice Date], Today())

Returns the number of days between the date in the Invoice Date column and the current UTC date.

DateDiff("year", [Invoice Date], Date("2018-01-01")) = 8

Returns the number of years between the date in the Invoice Date column and January 1, 2018.

DateDiff("hour", [Ticket Date], Now()) = 103

Returns the number of hours between the date and time in the Ticket Date column and the current UTC date and time.